64858100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{4951}}^1$

素因数の和:5096

約数の個数: 36

約数和(自身を含む): 141845088

約数和(自身を除く): 76986988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 4951, 6550, 9902, 13100, 19804, 24755, 49510, 99020, 123775, 247550, 495100, 648581, 1297162, 2594324, 3242905, 6485810, 12971620, 16214525, 32429050, 64858100]

約数ペア:

[(1, 64858100), (2, 32429050), (4, 16214525), (5, 12971620), (10, 6485810), (20, 3242905), (25, 2594324), (50, 1297162), (100, 648581), (131, 495100), (262, 247550), (524, 123775), (655, 99020), (1310, 49510), (2620, 24755), (3275, 19804), (4951, 13100), (6550, 9902)]